tests/cases/compiler/functionCall6.ts(3,5): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'. tests/cases/compiler/functionCall6.ts(4,1): error TS2346: Supplied parameters do not match any signature of call target. tests/cases/compiler/functionCall6.ts(5,1): error TS2346: Supplied parameters do not match any signature of call target. ==== tests/cases/compiler/functionCall6.ts (3 errors) ==== function foo(a:string){}; foo('bar'); foo(2); ~ !!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'. foo('foo', 'bar'); ~~~~~~~~~~~~~~~~~ !!! error TS2346: Supplied parameters do not match any signature of call target. foo(); ~~~~~ !!! error TS2346: Supplied parameters do not match any signature of call target.